Harwood Heights, IL Radon Levels
Check local Harwood Heights radon levels and find certified testing and mitigation professionals to keep your home safe
Harwood Heights, IL Radon Facts
Located in Cook County within the Chicago Metro area, Harwood Heights sits atop glacial till deposits from Wisconsin glaciation that create highly favorable conditions for radon gas production and migration. The community's dense urban development and predominantly full-basement housing stock from the mid-20th century provides enclosed below-grade spaces where radon accumulates readily. Though testing data for zip code 60706 is currently limited, the geological and housing characteristics strongly suggest residents should conduct comprehensive radon testing.
Cook County average: 6.44 pCi/L, based on 82 user-submitted tests across 40 cities in the county. No homeowner readings have been submitted for Harwood Heights itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
Harwood Heights, IL Radon Mitigation
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Radon Readings Near Harwood Heights, IL
No homeowner tests have been submitted for Harwood Heights yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Park Ridge | 3.6 mi | 6.57 pCi/L | 7 |
| River Forest | 4.8 mi | 4.00 pCi/L | 1 |
| Oak Park | 5.7 mi | 5.33 pCi/L | 3 |
| Forest Park | 6.2 mi | 7.00 pCi/L | 2 |
| Glenview | 7.5 mi | 4.33 pCi/L | 3 |
| Elmhurst | 8.1 mi | 4.00 pCi/L | 1 |
| Evanston | 8.2 mi | 9.00 pCi/L | 1 |
| Wood Dale | 8.5 mi | 4.00 pCi/L | 1 |
Cook County Radon Profile
Cook County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 40 cities in Cook County average 6.44 pCi/L across 82 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Cook County.